SSH login not possible

[geohei]

Hi.

I just flashed : http://elinux.org/BeagleBoardUbuntu#eMMC:_BeagleBone_Black.2FGreen
(BBB-eMMC-flasher-ubuntu-14.04.3-console-armhf-2016-01-14-2gb.img.xz)

Is it normal that SSH refused login?
No prompt is shown.

Thanks,